Trumbull County is south of Ashtabula County in NE Ohio.  My property includes 2 acres of an old Christmas Tree farm with lots of spruce and a large white pine surrounding the house.  Pine Warblers have nested in the pine woods.  April is the usual date when they arrive- April 5th 2011, the 6th 2010, 12th 2008 and 3rd in 2006. 
 This year Pine warblers were singing March 17th - 2012.

However other birds like Tree Swallows come  - March 14th 2012, 18th 2011, 19th 2010-  fairly close dates.  
And the local Red-tailed Hawk was just 1 day early to be on eggs over last year which was March 15th.

I am not concluding anything just an observation.

Carole Babyak Trumbull County

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